Bump netty4.version from 4.1.97.Final to 4.1.99.Final #3938

Job	Run time
build-all	1m 35s
build-java11	1m 59s
tests (driver, 8)	1m 9s
tests (server, 8)	4m 19s
tests (test, 8)	11m 58s
tests (inmemory, -Dtest.skip.tp=false, 8)	32m 34s
tests (berkeleyje, 8)	9m 33s
tests (lucene, 8)	4m 50s
tests (driver, -Pjava-11, 11)	1m 23s
tests (server, -Pjava-11, 11)	4m 2s
tests (test, -Pjava-11, 11)	9m 5s
tests (inmemory, -Pjava-11, -Dtest.skip.tp=false, 11)	34m 0s
tests (berkeleyje, -Pjava-11, 11)	10m 3s
tests (lucene, -Pjava-11, 11)	5m 34s
	2h 12m 4s

Provide feedback